PresAir Trol Threaded Stem Pressure Switch [21A] [1/8" MPT] [SPDT] (PM11120A) invensys or been removed during repair

or been removed during repair work

which matters in spas where trim and visible jet parts contribute significantly to the overall interior look

Designed for compatible 2 inch Hayward plumbing

Hayward CL200 and CL220 check valve and inlet adapter

PresAir Trol Threaded Stem Pressure Switch [21A] [1/8" MPT] [SPDT] (PM11120A) invensys or been removed during repairThe PresAir Trol threaded stem pressure switch is designed for compatible systems that use a 1 8 inch MPT connection and require an SPDT pressure activated switch rated at 21 amps. Pressure switches like this play an important role in helping the system respond properly to operating conditions before connected equipment is allowed to run as intended. This replacement is especially useful when the original switch has become inaccurate, intermittent, or